Book-sewing machine



(No Model.) 4 Sheets- 'Sheet 1. ELIZABETH CHESHIRE & EDWARD CHESHIRE.

BOOK SEWING MAGHINE.

Patnted May 12, 1885.

(No Model.) I 4 She ts-Sheet 2. ELIZABETH CHESHIRE &VEDWARD CHESHIRE.

BOOK SEWING MACHINE.

Till I Y T I Q.

M f 1": i

3 a G wE .R M 9 MS E 0 D R A W D E & E H Ti H S E H O H T E B A HZ BI ML ME 0 w BOOK SEWING MACHINE.

N. PETERS, Phob-ulm m hen Washinglon. n. a

(No Model.) l 4 Sheets-Sheet 4.

HESHIRE' & EDWARD CHESHIRE. BOOK SEWING MAQHINE.

ELIZABETH G PatentedMay 12, 1885.

N. PETERS. Phuloulhogmpher. Washingmn n. cy

, UNITED STATES PATENT OFFICE.

ELIZABETH CHESHIRE AND EDWARD CHESHIRE, OF CINCINNATI, OHIO.

BOOK-SEWING MACHINE.

SPECIFICATION forming part of Letters Patent No.317,507, dated, May 1211885.

Application filed May 24, 1883 (No model.)

To aZZ whom, it may concern Beit known that we, ELIZABETH CHESHIRE l and EDWARD CHESHIRE, both citizens ofthe i United States, and residents of Cincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in Book-Sewing Machines, of which the following is a specification.

Our invention relates to improvements in machines for sewing books; and it consists, in the first part, of a signature-feedin g table or carriage, in combination with a needle carriage or frame, both carriages being mounted upon a suitable frame in such a manner that they are adapted to advance toward each other and at the point of meeting perform the sewing operation by means of an ordinary shuttle and suitable driving mechanism.

Our invention further consists in the combination, with the frame carrying the needles for sewing the ordinary hand-stitch, of two frames carrying needles to sew the kettlestitch, the kettle-stitch frames being mounted 5 and moving on ways or bars within the said hand-stitch frame.

Our invention further consists in the combination, with the signature-feeding carriage, of a toothed plate adapted to support the fold of the signature and to receive the needles on the needle-frames between the teeth of said plate during the sewing operation.

Our invention further consists in the combination, with the signature-feeding carriage having the toothed plate, of presser-heads or bumpers, which sustain the hanging leaf or leaves of the signature during the sewing operation, and simultaneously compress the previously-sewed signatures into book form.

Our invention further consists in the combination, with the signature-feeding carriage, of laterally-adjustable shuttle-raceways havin g a gap or an intervening space between the said raceways which is capable of being lengthened or shortened to accommodate differentsized signatures.

Our invention further consists in the combination, with the needle'carrying frames, of l a frame pivotally mounted at its ends on the frame of the machine and adapted to suitably take up the slack that occurs in all the twines, and a series of spring-plates, one for each of said twines, for exerting the proper tension on said twines during the sewing operation.

i be fully set forth in the following description of the accompanying drawings, and afterward specifically claimed.

Figure l is a side elevation of the machine embodying our invention, showing the feedingframe, signature, shuttle, and needle-frame in position in the act of sewing. Fig. 2 is a central sectional elevation of the same with the feedingcarriage in position for receiving a signature for sewing, and the needle-frames, retracted in the rearward position, at rest. Fig. 3 is a front elevation of the machine. Fig. 4 is a plan view of the machine. Fig. 5 is an enlarged detail sectional elevation of brokenoffportions of the feeding-carriage and needleframe, showing one of the needles and the shuttle and twine in the act of sewing asignature. Fig. 6 is a detail plan view of the needle-frame, showing one of the kettlestitch frames in the forward sewing position, and the other frame, in its rearward position. at rest. Fig. 7 is an elevation of the front end of the needle-frames shown in Fig. 6. Fig. 8 is a skeleton view of the usual hand-made stitch, which is best adapted to the kettlestitch made in our machine.

A A represent the opposite side supportingf'rames of the machine, being secured together by cross-bars a a.

B represents the main driving-shaft mounted in bearings on side frames, A A, and furnished at one end with tight and loose pulleys b b.

0 represents a gear-wheel mounted on shaft B, and engaging a larger gear, D, keyed to the shaft E. Shaft E is mounted in bearings on side frames, A A, and is provided at its opposite ends with cams e e, which alternately drive the picker staffs F F, pivotally mounted, as customary in looms, at their lower ends in boxes on the base of said side frames.

F F represent spiral or coiled springs stretched between the picker-staffs and the side frames, A A, to operate said picker-stafis G are links pivotally connecting ears 9 with levers H. which levers are rigidly connected at their lower ends to a shaft, H.

Bearings h are in multiple, as shown, so that the shaft H can be arranged higher or lower, asdesired, and thereby shorten or lengthen the stroke of the feediu carriage for differentsized signatures.

1 represents an arm keyed at one end to shaft H, and projecting therefrom into the.

path of motion of the eccentric (2 upon drivingshaft B.

9 represents guides on the top ofcarriage G, between which the signatures pass and rest.

J isa plate projecting from the forward end of feed-table G. Upon the edge of plate J the fold of the respective signatures lies with one leaf or leaves on one side of the fold lying on the table, and the leaf or leaves on the other side of the fold hanging down.

j represents teeth on the forward end of plate J, making it of comb configuration.

J. J are presser-heads on the forward corner ends of table- G. V 7

K represents a temporary table or rack arranged abovc tlnfeeding-carriage in its retreated position, and upon which table a number ofsignatures are placed in an open condition, with the back of their folds upward, as shown in Figs 1. and 2. 1

L L represent laterally-adjustable raceways for supporting the shuttle L in position at the end of its stroke, to receive the blow of either of the picker-staffs through them. These raceways L are ranged, as customary, 1n looms, pro ectin g outwardly from the side frames, A A, with an intervening space between them; but in this machine they are preferably mounted upon brackets L L, which are secured to said side 1 frames, and are attached adjustably to saidbrackets by bolts Z l which pass through slots made in the brackets. race ways L permits their movement inwardly or outwardly to accommodate signa i tures of different sizes placed in the space between them.

M represents a horizontally-reciprocating frame, upon the forward end of which sewingneedles in are secured.

m m are studs or pins projecting from the opposite side ends of needle-frame M. The

pins. m are at the rear of the said needle- Shaft H f journals in bearings h. on side frames, A A.

yvhich pass upvvdrdly ar- The adjustability of I frame, and travel in straight horizontal slots i unmade in the frames A A, and thepinsm are at. the front end of said needle franie, traveling in GUl'VPil slot-s n uiade in said side t'raxnes forward of slots n. The curved form of slots 11 insures the proper downward movement of the needle frame, so that a dip or fall from a straight line of the points of the needles m will occur at the time they enter the fold ot'the signature, and thus avoid their contact with the leaves of the signature.

M M are two frames mounted upon rods M within the m-edle-frame M so as toreciprocate therein.

N is a needle. projecting from the forward operation, what is known as the kettlelstitch. The needles in and N are all constructed alike. The form of needles weprefer to use in our machine is shown full size in Fig. They are curved or turned slightly U. downward, so as to form an opening between them and the twine, which passes through an eye, N, in theirpoints, for the passage of the shuttle L.

N represents a groove consti noted along the upper face or convex portion of the needle from its fastening-shank to the eye N. The twine rests in the groove N so that that part of it passing along the groove between the shank and the eye of the needle will not drop shuttle to become entangled with the shuttle thread. The twines passing from the eyes N i beneath the needles form a part of the raceway for the passage and support of the shuttle, similar to the warp-threads in a loom.

O 0 represent vertical levers pivoted inter mediate their ends to the cross-bars a of the side frames, their upper ends being slotted to receive the pivotal pins 0 on the outer ends of arms 0, attached to the needle frames M. The lower ends of levers 0 project into the path of motion of the cams d d on shaft E, which cams, being on said. shaft in opposing directions, alternately come in contact with levers O, and thereby move the needle-frame NI forw'ard, a. retraotile. spring, 0, being pro' vided in connection with both levers to move the said needlcframe rearward and hold the lower ends of saidlcvers in contact with said cams. The upper ends of the alternately oscillating levers 0 being pivotally connected with arms 0 on the needle-frames M, and the frames N reciprocating within frame M, the said frames M are alternately brought foiward and at the same time advance the said frame M, with its needles, to perform the operation of sewing. .The forward end of frame i M follows the motion of the pins m in curved 1 slots a, as stated heretofore, thus giving the proper direction of motion to the needles in their passage into and from the fold of the l signature. The spaces between teeth j of plate J of the feeding-carriage permit the entrance of the needles on the meeting of said i feeding-carriage and the needle-frames, for the end of both frames-M, to form, in the sewing on either side to come in contact with the closeworking of the operative. parts of the 1 machine. 11

In connection with the sewing devices above i described we provide a tension and take-up mechanism for controling the working of the twines, the preferred form of which mechan ism we will now describe.

I represents a trough or box for holding the balls of twine P. The twine'for each of the to needles passes from trough P through an eye, 1

p, in each of the spring'plates p, which plates are attached in position upon cross bar P of the main frame by tension-regulating thumb screws P. It then passes from said eyes 2 5 under the free end of plates 12 to an oscillating take-up frame, Q. Frame Q is preferably an open rectangular one, and is centrally mounted at its opposite ends upon pivots g, which journal in vertical brackets Q, on the needle frame M.

R represent studs at the rear corners of frame Q, projecting into curved slots 1' made in the sideframes, A A, and travel therein to rock-frame Q on its pivots in the movements of said needle-frame. The twine passes from the spring-plates 19 under the rear bar of the takeup frame Q, and thence through perforations r in the forward bar of said frame Q. From perforations r the twines pass through eyes in the forward end of needle-frame M to the shanks of the needles; thence along the grooves in the needles to and through the eyes in their points, and thence beneath the needles rearwardly, with their ends secured to a cross 5 bar or board, S, against which the folded ends of the signatures rest while the book is forming.

T represents pendant arms secured to crossbar S, against which the sewed signatures rest while the book is formin T represents an adjustable nut or gage on the arms T, for supporting the lower ends of the signatures.

in the operation of the machine the signa- 5 ture is fed, as shown in'Fig.2, from the pile on table K. Motion being imparted to the driv ing shaft, the feedingcarriage, with the said signature, is advanced toward the center of the machine, and at the time it reaches its limit of motion the needle-frame, which has been slowly advancing, meets it simultane ously, the needles with their contained twines passing through the fold of the signature. At the moment the needleframe has approached 5 its limit of motion the shuttle is driven. across the machine through the twines and forming a loop with four of them, as shown, one being the end or kettle stitch.

The p'resser-heads on the feeding-carriage, when in the position shown in Fig. 5, serve to pile up the sewed signatures closely together on the twines stretched from the cross-bar S, and hold the signature firmly in place during the sewing operation.

On the retraction of the feeding-carriage and needle-frame to their normal positions, or at rest, the leaf or leaves of the signature resting upon the table of the feeding-carriage drop into place against the other leafor leaves, and the feeding and sewing operation is continued as before.

We claim- I I 1. 111a book sewing machine, the signaturefeeding carriage G, in combination with a needle carriage or frame, M M, both carriages being mounted upon a suitable frame, substantially as described, so that they advance toward each other and at the point of meeting perform the sewing operation by means of an ordinary shuttle and suitable driving mechanism, substantially as herein set forth.

2. A book-sewing machine composed, substantially, of ahorizontal reciprocating signature-feeding carriage, G J j J, horizontallyrccipro'cating needle-frames M M, and a shuttle, L, with its customary driving mechanism, the said carriage G and needleframes M M being mounted upon a frame, and adapted to operate in the manner and for the purpose specified.

3. In a book-sewing machine, the combination, with the needleframe M m of the kettle stitch needle-frames M M N, moving on ways or bars within said frame M, and adapted to operate substantially as herein set forth.

4. In a book-sewing machine, the combina tion, with the horizontally-nioving signaturecarriage G, of a toothed orcomb shaped plate, Jj, adapted to support the signature in an open condition with one leaf thereof lying on the table, the other suspended vertically and its fold against the toothed edge of said plate, and to provide unobstructed passagesfor the sewingneedles on the meeting of the feeding and needle frames, substantially as herein set forth 5. In a book sewing machine, the feedingcarriage G, having the toothed plate J j, in combination with the presser-heads or bumpers J J, which sustain the hanging leaf or IIO leaves of the signature during the sewing operation, and simultaneously compress the previously-sewed signatures, substantially as herein set forth.

o. In a book-sewing machine, the combination, with the signature-feeding carriage G, of the laterally-adjustable raceways L L, having a gap or intervening space between said raceways which is capable of being lengthened or shortened to accommodate different sized signatures, substantially as herein set forth.

7. In a book-sewin g machine, the combination, with the needle-carrying frames M M, of the open rectangular frame Q, pivotally mounted on the main frame of the machine and adapted to suitably take up the slack in the twines, and a series of tension-plates, p p P, one foreach twine, substantially as and for the purpose specified.

8. In a book-sewing machine, the combination, with the needle-frames M'M m N, of pins or studs m m, moving in'slots or ways,

n n on the main iranie, the pins m moving f In testimony whereof We have hereunto Set in the straight slots n, and the pins m movi our hands.

ing in irregular or curved slots n, to impart ELIZABETH CHESHIRE. the proper downward motion or dip to the EDWARD CHESHIRE. 5 needles as they pass through the fold of the i \Vitnesses:

signature, substantially as and for the pur- 1 THOMAS CHESHIRE,

pose specified. JNO. E. JONES. 

